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Siemens SIRIUS 3RT1046-1XB40-0LA2

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3RT1046-1XB40-0LA2

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The Siemens model 3RT1046-1XB40-0LA2 is a power contactor designed for efficient electrical switching in industrial applications. It operates with a control voltage of 24 V DC and is rated for a maximum power of 45 kW at 400 V AC.

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Technical specifications for 3RT1046-1XB40-0LA2

ManufacturerSiemens
Product TypePower Contactor
Product LineSIRIUS
Part Number3RT1046-1XB40-0LA2
EAN4011209562868
Weight2.81 lbs (1.28 kg)
Control Voltage24 V DC
Rated Power45 kW @ 400 V
Mounting TypeDIN Rail
Insulation Voltage690 V
Voltage Range0.7–1.25 × Us
Rated Operating Voltage400 V AC
Connection TypeScrew Terminal
Operating Frequency50/60 Hz
Poles3
Rated Operating Current95 A
Coil TypeDC, Solid-State
Ambient Temp. Range–25 to +60 °C
Contactor SizeS3
Protection FeatureIntegrated Varistor
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The 3RT1046-1XB40-0LA2 from Siemens is a highly functional power contactor within the SIRIUS series. Designed for robust performance, this device operates effectively with a control voltage of 24 V DC. It is capable of handling a rated power of up to 45 kW when connected to a voltage supply of 400 V AC. Incorporating a DIN rail mounting type offers ease of installation in standard control panels.

A significant feature of this contactor is its insulation voltage capacity, rated at 690 V, which ensures safe operation even under demanding conditions. Its operating voltage range spans from 0.7 to 1.25 times the specified voltage, further enhancing its versatility. The module is constructed with three poles and supports a rated operating current of 95 A, making it suitable for considerable loads.

Operating at a frequency range of 50/60 Hz, the contactor's coil type is solid-state DC. This design fosters reliable switching without mechanical wear. The unit is equipped with an integrated varistor for additional protection against voltage spikes, safeguarding the electrical components.

Its operational capabilities extend across a broad temperature spectrum from -25 to +60 °C, allowing it to function efficiently in a variety of environmental conditions. Overall, the 3RT1046-1XB40-0LA2 power contactor stands out for its durability and reliability in industrial scenarios, making it a preferred choice for reliable electrical control.